Flashing warning light



FIG. 1 is a perspective view of the flashing warning light showing my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a flashing warning light, as shown and described. 